| 摘要 |
<p>The present invention relates to a battery pack advantageous to integration and miniaturization. The battery pack includes a bare cell which includes an electrode terminal of a first polarity and a cap plate of a second polarity and a battery protection circuit package which is bonded to be electrically connected to the electrode terminal and the cap plate. The cap plate includes a concave part to form a step downward. At least part of the battery protection circuit package is arranged in the concave part.</p> |
